Bump src/main/resources/csl-styles from 44d9b9f to b43e623 (JabRef#12677)

Bumps [src/main/resources/csl-styles](https://github.com/citation-style-language/styles) from `44d9b9f` to `b43e623`.
- [Release notes](https://github.com/citation-style-language/styles/releases)
- [Commits](citation-style-language/styles@44d9b9f...b43e623)

---
updated-dependencies:
- dependency-name: src/main/resources/csl-styles
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]